How to copy just one transaction
Sign in to Bkper.
Open your book.
Go to the Transactions page.
Select a transaction.
On the center of the page, press the three 3 dots icon of the input form.
Then, press the green button ">>" to post.
Copy transactions when you copy a book
Open the Configuration menu (Gear button).
Select "Make a copy...".
Then, give the Copied book a name.
Check "Copy Transactions".
Enter the date from which transactions will be copied or leave it blank if you want to copy all transactions.
Copy transactions using Google Sheets
To copy transactions from another book or merge transactions into another book, use the Bkper Add-on for Google Sheets. First export transactions to a Google Sheet and then import them in the other book. See more here.